Year	% of total population
1960	49.9138599481776
1961	49.9502763013377
1962	49.9847826816502
1963	50.0176138495182
1964	50.0529713735911
1965	50.0923173807755
1966	50.1328762518332
1967	50.1754307616788
1968	50.2209723509549
1969	50.2734180811022
1970	50.3326744950748
1971	50.3940485305251
1972	50.4610281288837
1973	50.533466110881
1974	50.6064295196083
1975	50.679138577418
1976	50.7349812908193
1977	50.7730138275966
1978	50.8084515899707
1979	50.8418830840924
1980	50.8750232754972
1981	50.9081021524735
1982	50.9392846761292
1983	50.9682171928166
1984	50.996341732998
1985	51.0240333203493
1986	51.0574591321532
1987	51.0956140456985
1988	51.1315372218756
1989	51.1663264887799
1990	51.2014390704944
1991	51.2364394167969
1992	51.2711923524256
1993	51.306078322136
1994	51.3407597936641
1995	51.3756506561107
1996	51.41030913649
1997	51.4444222911747
1998	51.479043474343
1999	51.5143354774055
2000	51.5542988569429
2001	51.6025591505932
2002	51.656297511433
2003	51.7103790040608
2004	51.7594749956319
2005	51.7847642845194
2006	51.7881985936173
2007	51.7874358110838
2008	51.7830261806658
2009	51.7762329269328
2010	51.7679889735019
2011	51.7582058979003
2012	51.7466086327653
2013	51.7331819069082
2014	51.7174470805169
2015	51.6979456438752
2016	51.6745435978916
2017	51.6494360352989
2018	51.6253667156691
2019	51.605919830452
2020	51.5857869998011
2021	51.5654970726098
2022	51.5491437696806
2023	51.5325838390141